Observational studyJournal of clinical gastroenterology2014
Characteristics of inflammatory bowel disease serology in patients with indeterminate colitis.
Observational study in Journal of clinical gastroenterology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- Anti-OmpC antibodies in Crohn's disease and ulcerative colitis: evidence from a systematic review and meta-analysis.Crohn's & colitis 360 · 2026Article
- Imputation methods for serologic biomarkers in inflammatory bowel disease.Scientific reports · 2026Article
- Indeterminate Colitis - Update on Treatment Options.Journal of inflammation research · 2021Review
- Diagnostic and Prognostic Microbial Biomarkers in Inflammatory Bowel Diseases.Gastroenterology · 2015Review
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
Abstract
GOALS AND
backgroundInflammatory bowel disease (IBD) serology testing is often used in patients with indeterminate colitis (IC) to help distinguish between ulcerative colitis (UC) and Crohn's disease (CD). We investigated the performance of serology testing in predicting future diagnosis in this setting. STUDY: This was an observational study of individuals with IC at a single center who underwent IBD serology testing [anti-Saccharomyces cerevisiae antibody (ASCA), perinuclear anti-neutrophil cytoplasmic antibody (pANCA), and anti-outer membrane porin C antibody (anti-OmpC)] and had at least 12 months follow-up from the time of serology test results.
resultsA total of 117 individuals with IC and with 1-year follow-up data were enrolled. All IC patients had endoscopic and histologic evidence of colitis at enrollment. One year after serology testing, 58 (50%) individuals with IC were diagnosed with UC, 49 (42%) with CD, and 10 (9%) remained labeled with IC. The sensitivity/specificity of an initial positive pANCA for a subsequent diagnosis of UC was 78%/44%. For ASCA and anti-OmpC, the results were 18%/84% and 27%/75%, respectively, for a subsequent diagnosis of CD. A positive pANCA test was associated with a likelihood ratio (LR) of 1.4 [95% confidence interval (CI), 1.1-1.8] for a subsequent diagnosis of UC at 1 year. Neither positive ASCA (LR 1.1; 95% CI, 0.5-2.5) nor anti-OmpC (LR 1.1; 95% CI, 0.6-2.0) was associated with a subsequent diagnosis of CD in patients with IC.
conclusionsThe disease phenotype in the majority of individuals initially labeled with IC evolved to be more consistent with either UC or CD on follow-up. pANCA, ASCA, and anti-OmpC, individually, were of limited utility in predicting a patient's subsequent disease phenotype.
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Registered trials
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